Marker Posts on the M20
Dataset summary for M20 including area, region, and suffix letter breakdowns.
Use the map to explore the live dataset
Filter by road, region and area — then drill into the exact marker post you need.
Total marker posts (M20)
1686
Breakdowns included
Area (AREA1–AREA12)
Region (NE/NW/SW…)
Suffix letter (A/J/M/K…)
Area breakdown
Includes numeric range| Area | Count | % | Number range |
|---|---|---|---|
| AREA4 | 1319 | 78.23% | 46/4B – 109/7B |
| AREA5 | 367 | 21.77% | 28/2B – 46/3B |
Region breakdown
NE / NW / SW…| Region | Count | % |
|---|---|---|
| SE | 1686 | 100.0% |
Regions help you understand coverage and where the dataset is densest.
Suffix letter breakdown
A / J / M / K…| Suffix | Count | % |
|---|---|---|
| B | 816 | 48.4% |
| A | 814 | 48.28% |
| K | 21 | 1.25% |
| L | 16 | 0.95% |
| J | 10 | 0.59% |
| M | 9 | 0.53% |
Suffix letters are pulled from the end of the marker post number (e.g. 0/1J → J).
Example marker posts
Sample recordsA small sample of marker posts for the M20 dataset:
SE · AREA4 · P100/0A
SE · AREA4 · P100/0B
SE · AREA4 · P100/1A
SE · AREA4 · P100/1B
SE · AREA4 · P100/2A
SE · AREA4 · P100/2B
SE · AREA4 · P100/3A
SE · AREA4 · P100/3B
SE · AREA4 · P100/4A
SE · AREA4 · P100/4B
SE · AREA4 · P100/5A
SE · AREA4 · P100/5B
SE · AREA4 · P100/6A
SE · AREA4 · P100/6B
SE · AREA4 · P100/7A
SE · AREA4 · P100/7B
SE · AREA4 · P100/8A
SE · AREA4 · P100/8B
SE · AREA4 · P100/9A
SE · AREA4 · P100/9B
SE · AREA4 · P101/0A
SE · AREA4 · P101/0B
SE · AREA4 · P101/1A
SE · AREA4 · P101/1B
SE · AREA4 · P101/2A
SE · AREA4 · P101/2B
SE · AREA4 · P101/3A
SE · AREA4 · P101/3B
SE · AREA4 · P101/4A
SE · AREA4 · P101/4B